Vocabulary
Types Of Elements
True or False?
Elements Symbols & Names
Miscellaneous
100
The columns on the periodic table
What are groups?
100
Elements that conduct electricity and are malleable and ductile
What is metal?
100
Hydrogen is a metal. True/False?
False. It is a nonmetal.
100
H
What is Hydrogen 
100
Why did Mendeleev leave gaps in the periodic table?
To leave room for new elements to be discovered.
200
When elements are arranged by atomic number and those that have similar properties at regular intervals
What is periodic law?
200
Poor conductors of electricity and heat, not malleable or ductile; part of groups 13-16 and 17-18
What is a nonmetal?
200
Majority of the elements on the periodic table are metals. True/False?
True
200
He
What is Helium
200
Majority of the metals on the periodic table
What is a transition metal
300
An atom that has gained or lost one or more electrons and has a negative or positive charge
What is an ion?
300
Also known as metalloids, they share properties with both metals and nonmetals and conduct electricity under only certain conditions
What is a semiconductor?
300
Mendeleev organized the Periodic Table by increasing Atomic Mass. True/False?
True.
300
Ne
What is Neon
300
Group 18, has a full outer shell Ex. Neon
What are noble gases?
400
Electrons in the outer most shell
What are valence electrons?
400
Soft and shiny metals that are highly reactive with water; Group 1 on the periodic table with one valence electron
What is an alkali metal?
400
Families of elements don't have the same number of valence electrons or similar chemical properties.
False. They do share similar valence electrons and chemical properties
400
Ag
What is the chemical symbol for silver?
400
Element symbol:P
What is Phosphorus
500
Positive ions
What are cations?
500
Group 17 on the periodic table, they have seven valence electrons and are the most reactive nonmetals
What is a halogen?
500
Electrons that have one Valence electrons are highly reactive.
True.
500
K
What is the element symbol for potassium
500
List the three main categories of elements
Metals, semiconductors(metalloids), and nonmetals
M
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n
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